Are SNDK and WDC correlated?

SNDK and WDC have a 252-day pairwise correlation of 0.69 (moderate). Values above 0.6 indicate the two stocks tend to move together as part of the same capital flow; below 0.4 they're largely independent.

Do SNDK and WDC share any ETFs?

Yes — 1 ETFs hold both SNDK and WDC, including DRAM.

Which bubbles or themes do SNDK and WDC share?

SNDK and WDC share these AI-supercycle groupings: DRAM / HBM Memory (bubble).

← Home

Stock comparison

SNDK vs WDC

SanDisk Corporation and Western Digital Corporation — both members of DRAM / HBM Memory.

SNDKUS

SanDisk Corporation

Last close: $1513.72
Market cap: —
Sector: —
30d return: +76.8%
90d return: +286.9%
252d return: —

WDCUS

Western Digital Corporation

Last close: $486.57
Market cap: —
Sector: —
30d return: +41.4%
90d return: +125.3%
252d return: —

252-day correlation

0.69moderate

Pearson correlation of daily log-returns over the last 252 trading days. >0.6 = tight (move as one bloc); 0.4–0.6 = thematic linkage;<0.4 = largely independent. See the full matrix.

Shared context

Bubbles

DRAM / HBM Memory

ETFs (1)

DRAM

Want the full picture? SNDK stock page · WDC stock page · full correlation matrix

Data refreshes daily. Last close 2026-05-03.